A block of mass m is launched up a frictionless ramp with initial speed v o . Th

Question

A block of mass m is launched up a frictionless ramp with initial speed vo. The block travels up the ramp and continues across the level section.

Suppose the block from the previous question is launched with the same initial speed vo on the following frictionless ramps.

In each case, state whether the magnitude of the net work done on the block from the bottom to the top of the ramp is greater than, less than, or equal to the magnitude of the work done on the block in Question 1. Explain your answer in each case.

case a:the ramp is stepper

case b: the ramp has 2 sections of different slope

case c: the ramp is curved

Explanation / Answer

Work done = mgh   

if height is same

Work done is same for all the cases

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